body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0 0;
    background: url('../img/backgroud.png') no-repeat center center fixed;
    background-size: cover;
}
header h1 {
    color: #333;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}
.message-form, .message-list {
    margin-top: 20px;
    width: 800px;
    background: rgba(245, 240, 240, 0.8);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.form-group {
    margin-bottom: 10px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
}
.form-group input, .form-group textarea {
    width: 100%;
    padding: 8px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
}
button {
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}
button:hover {
    background-color: #0056b3;
}
ul {
    list-style: none;
    padding: 0;
}
li {
    margin-bottom: 10px;
    background-color: #f2f2f2;
    padding: 10px;
    border-radius: 5px;
}
